|
| 1 | +""" |
| 2 | +Logging service for tracking message edits and deletions. |
| 3 | +
|
| 4 | +This module implements a logging system that sends message delete and edit events |
| 5 | +to a designated private log channel, helping moderators track changes. |
| 6 | +""" |
| 7 | + |
| 8 | +import discord |
| 9 | +from discord.ext import commands |
| 10 | + |
| 11 | +from tux.core.base_cog import BaseCog |
| 12 | +from tux.core.bot import Tux |
| 13 | +from tux.ui.embeds import EmbedCreator, EmbedType |
| 14 | + |
| 15 | + |
| 16 | +class Logging(BaseCog): |
| 17 | + """Discord cog for logging message events. |
| 18 | +
|
| 19 | + This cog monitors message deletions and edits and logs them to the |
| 20 | + configured private log channel for the guild. |
| 21 | + """ |
| 22 | + |
| 23 | + @commands.Cog.listener() |
| 24 | + async def on_message_delete(self, message: discord.Message) -> None: |
| 25 | + """Handle message delete events. |
| 26 | +
|
| 27 | + Parameters |
| 28 | + ---------- |
| 29 | + message : discord.Message |
| 30 | + The message that was deleted. |
| 31 | + """ |
| 32 | + # Skip bots, DMs, and non-guild channels to ensure channel has .mention |
| 33 | + if ( |
| 34 | + message.author.bot |
| 35 | + or not message.guild |
| 36 | + or not isinstance(message.channel, discord.abc.GuildChannel) |
| 37 | + ): |
| 38 | + return |
| 39 | + |
| 40 | + # Skip if maintenance mode is enabled |
| 41 | + if getattr(self.bot, "maintenance_mode", False): |
| 42 | + return |
| 43 | + |
| 44 | + private_log_id = await self.db.guild_config.get_private_log_id(message.guild.id) |
| 45 | + if not private_log_id: |
| 46 | + return |
| 47 | + |
| 48 | + channel = message.guild.get_channel(private_log_id) |
| 49 | + if not isinstance(channel, discord.TextChannel): |
| 50 | + return |
| 51 | + |
| 52 | + embed = EmbedCreator.create_embed( |
| 53 | + embed_type=EmbedType.INFO, |
| 54 | + title="Message Deleted", |
| 55 | + description=( |
| 56 | + f"**Author:** {message.author.mention} (`{message.author.id}`)\n" |
| 57 | + f"**Channel:** {message.channel.mention} (`{message.channel.id}`)\n\n" |
| 58 | + f"**Content:**\n{message.content or '*No content (attachment or embed only)*'}" |
| 59 | + ), |
| 60 | + custom_author_text=str(message.author), |
| 61 | + custom_author_icon_url=message.author.display_avatar.url, |
| 62 | + message_timestamp=discord.utils.utcnow(), |
| 63 | + ) |
| 64 | + |
| 65 | + # Handle attachments |
| 66 | + if message.attachments: |
| 67 | + attachment_info = "\n".join( |
| 68 | + [f"[{a.filename}]({a.url})" for a in message.attachments], |
| 69 | + ) |
| 70 | + embed.add_field(name="Attachments", value=attachment_info, inline=False) |
| 71 | + |
| 72 | + await channel.send(embed=embed) |
| 73 | + |
| 74 | + @commands.Cog.listener() |
| 75 | + async def on_message_edit( |
| 76 | + self, |
| 77 | + before: discord.Message, |
| 78 | + after: discord.Message, |
| 79 | + ) -> None: |
| 80 | + """Handle message edit events. |
| 81 | +
|
| 82 | + Parameters |
| 83 | + ---------- |
| 84 | + before : discord.Message |
| 85 | + The message state before the edit. |
| 86 | + after : discord.Message |
| 87 | + The message state after the edit. |
| 88 | + """ |
| 89 | + # Skip bots, DMs, and non-guild channels to ensure channel has .mention |
| 90 | + if ( |
| 91 | + before.author.bot |
| 92 | + or not before.guild |
| 93 | + or not isinstance(before.channel, discord.abc.GuildChannel) |
| 94 | + ): |
| 95 | + return |
| 96 | + |
| 97 | + # Skip if content didn't change (e.g. only embeds/pins changed) |
| 98 | + if before.content == after.content: |
| 99 | + return |
| 100 | + |
| 101 | + # Skip if maintenance mode is enabled |
| 102 | + if getattr(self.bot, "maintenance_mode", False): |
| 103 | + return |
| 104 | + |
| 105 | + private_log_id = await self.db.guild_config.get_private_log_id(before.guild.id) |
| 106 | + if not private_log_id: |
| 107 | + return |
| 108 | + |
| 109 | + channel = before.guild.get_channel(private_log_id) |
| 110 | + if not isinstance(channel, discord.TextChannel): |
| 111 | + return |
| 112 | + |
| 113 | + embed = EmbedCreator.create_embed( |
| 114 | + embed_type=EmbedType.INFO, |
| 115 | + title="Message Edited", |
| 116 | + description=( |
| 117 | + f"**Author:** {before.author.mention} (`{before.author.id}`)\n" |
| 118 | + f"**Channel:** {before.channel.mention} (`{before.channel.id}`)\n" |
| 119 | + f"**Jump:** [Click here to jump]({after.jump_url})" |
| 120 | + ), |
| 121 | + custom_author_text=str(before.author), |
| 122 | + custom_author_icon_url=before.author.display_avatar.url, |
| 123 | + message_timestamp=discord.utils.utcnow(), |
| 124 | + ) |
| 125 | + |
| 126 | + # Truncate content to fit in embed fields (max 1024 chars) |
| 127 | + def truncate(text: str) -> str: |
| 128 | + return (text[:1021] + "...") if len(text) > 1024 else text |
| 129 | + |
| 130 | + embed.add_field( |
| 131 | + name="Before", |
| 132 | + value=truncate(before.content or "*No content*"), |
| 133 | + inline=False, |
| 134 | + ) |
| 135 | + embed.add_field( |
| 136 | + name="After", |
| 137 | + value=truncate(after.content or "*No content*"), |
| 138 | + inline=False, |
| 139 | + ) |
| 140 | + |
| 141 | + await channel.send(embed=embed) |
| 142 | + |
| 143 | + |
| 144 | +async def setup(bot: Tux) -> None: |
| 145 | + """Set up the Logging cog. |
| 146 | +
|
| 147 | + Parameters |
| 148 | + ---------- |
| 149 | + bot : Tux |
| 150 | + The bot instance. |
| 151 | + """ |
| 152 | + await bot.add_cog(Logging(bot)) |
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